Index: head/comms/soapyairspy/Makefile
===================================================================
--- head/comms/soapyairspy/Makefile	(revision 498542)
+++ head/comms/soapyairspy/Makefile	(revision 498543)
@@ -1,23 +1,23 @@
 # $FreeBSD$
 
 PORTNAME=	SoapyAirspy
 DISTVERSIONPREFIX=	soapy-airspy-
 DISTVERSION=	0.1.2
 CATEGORIES=	comms hamradio
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Soapy SDR plugin for the Airspy
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 LIB_DEPENDS=	libairspy.so:comms/airspy \
 		libSoapySDR.so:misc/soapysdr
 
-USES=		cmake
+USES=		cmake compiler:c++11-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	pothosware
 
 PLIST_FILES=	lib/SoapySDR/modules0.7/libairspySupport.so
 
 .include <bsd.port.mk>